/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/FaceGroupUtil.h
Set group ID of all triangles in Mesh
namespace FaceGroupUtil { void FaceGroupUtil::SetGroupID ( [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, int32 to ) }